Flag staff mounting base



FIG. 1 is a perspective view of the flag staff mounting base;

FIG. 2 is a front elevational view of the flag staff mounting base;

FIG. 3 is a side elevational view taken from the right side of the flag staff mounting base which is identical to the side elevational view taken from the left side of the flag staff mounting base;

FIG. 4 is a rear elevational view of the flag staff mounting base;

FIG. 5 is a top plan view of the flag staff mounting base; and,

FIG. 6 is a bottom plan view of the flag staff mounting base. 

The ornamental design for the flag staff mounting base, as shown and described. 